#!/bin/env python
# -*- coding:utf-8 -*-
'a hello module'
__author__='kxx'
import sys
def test():
	args=sys.argv
	if len(args)==1:
		print('Hello,world!')
	elif len(args)==2:
		print('Hello,%s!' % args[1])
	else:
		print('Too many arguments!')
if __name__=='__main__':
	test()
